What are the Duty Ferry, Louisiana Zip Codes for 2020, 2019Primary Zip Codes for Duty FerryZip CodePrimary CitySecondary City71418ColumbiaDuty Ferry, Bellview, Big Ridge, Brownville, Burroughs, Columbia Heights, Copenhagen, Eastside, Hearn Island, Hebert, Longlake, Riverton, Vixen, Banks SpringsCities sharing Zip Codes with Duty FerryZip CodePrimary CitySecondary CityMore Information71418ColumbiaBellview71418ColumbiaBig Ridge71418ColumbiaBrownville71418ColumbiaBurroughs71418ColumbiaColumbia Heights71418ColumbiaCopenhagen71418ColumbiaDuty Ferry71418ColumbiaEastside71418ColumbiaHearn Island71418ColumbiaHebert71418ColumbiaLonglake71418ColumbiaRiverton71418ColumbiaVixen71418ColumbiaBanks Springs Banks Springs population stats Advertisements